US546851A - Machine for trimming edges of welts and uppers - Google Patents

Description

1N0 Model.)

Z..T. FRENCH & W. 0. MEYER. v MACHINE FOR TRIMMING BDGES 01-" WELTS AND UPPERS.

Patented Sept. 24, 1895.

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AN DREW B.GRAHAM. PMUTO-LH'HQWASMI "BTW. I) c Nirno ST TES- intent sures.

ZACI-IARY T. FRENCH AND WILLIAM C. MEYER, OF BOSTON, MASSACHUSETTS.

MACHINE FOR TRIIVIMING EDGES OF WELTS AND UPPERS.

SPECIFICATION forming part of Letters Patent No. 546,851, dated September 24, 1895.

A lication filed August 24, 1893. Serial No. 483,922- (No model.)

T0 aZZ whom it may concern:

Be it known that we, ZACHARY T. FRENCH and WILLIAM C. MEYER, of Boston, county of Suffolk, State of Massachusetts, have invented an Improvement in Machines for Trimming the Edges of Welts and Uppers, of which the following description, in connection with the accompanying drawing, is a specification, like letters on the drawing representing like parts.

In the manufacture of welted boots and shoes, wherein the upper and welt are stitched to a projecting rib near the edge of the inner sole, it is necessary to trim ofi the edges of the upper and welt where they extend from the bottom of the inner sole beyond said rib. This work is most commonly performed by a knife in the hand of the workman; but machines have been devised for this purpose.

Our invention has for its object the production of an improved machine for this purpose.

Our improved machine has two wheels, between which the welt stitched to the inner sole is placed, the said rolls acting on the said welt to feed the shoe past a trimming-knife, herein represented as located at one side of and just below the periphery of that one of the said wheels on which the under side of the welt rests, the inner edge of the welt and the surplus edge of the upper entering said space.

We have chosen to show our invention as embodied in connection with a machine substantially as represented in United States Patent No. 500,060, dated June 20, 1893.

The drawing shows in vertical section a machine embodying one form of our invention.

Referring to they drawing, A represents a column, to which is attached a frame A, said frame having pivotally mounted on it an arm (1 provided at its front end with a stud 6 on which is mounted to be rotated a wheel 6, which bears on the upper side of the welt w, attached by suitable stitches to the upper o, and the rib a", forming part of the inner sole 8 of the shoe. The wheel 6 has bevel-teeth e, which are engaged by teeth of a bevel-gear e secured to a shaft d mounted in bearings of the arm d and provided with a pinion d, which is engaged by a pinion d on the main shaft C,

having a toothed gear 0 which is in engage ment with and rotated by a pinion C on the hub of a belt-pulley C adapted to rotate, as shown, on a stud 0 fixed in the frame. The shaft 0 has a bevel-pinion G which engages bevel-teeth O of a wheel 0 on the periphery of which the welt rests, the wheels e and C constituting a pair of feed-wheels to engage the welt firmly and by action against it alone feed the shoe. A stud 0 shown as connected to the wheel 0 constitutes the center of rotation of said wheel, said stud entering a hole in a stand D, shown as attached to the frame by a bolt D. The stand has a projecting hub or sleeve, as B outside the stud G on which is fulcrumed a knife-carrying lever B, bifurcated or slotted at its lower end to receive a crank-pin B on a rotary shaft 13 held in said stand and having a belt-pulley B adapted to be rotated by a suitable belt. The stand ha as suitable bracket E, provided with a roll E, on which the central part of the inner sole may bear and be supported.

In our invention the inner edge of the welt and the edge of the upper, where they are stitched to the rib on the inner sole, are left to project into the space between the wheels 0 and e. For the purpose of trimming off the edges of the upper and welt extended in the said space we employ a reciprocating trimming-knife 20, attached to the knife-lever B, which is moved by the crank-pin B The cutting-edge of the blade occupies a position at a little distance below the face or upper edge of the wheel C and is caused to move in the space between the wheels 0 and 6, but below their upper surfaces, the said blade cutting off the edges of the welt eX- tended into said space, the out being close to the stitch-receiving rib of the inner sole, thus leaving the inner sole with its attached upper and welt in condition to receive the outer sole smoothly.

In our channelingmaohine the knife or cutter extended above the peripheries of the wheel and roll on which the outer sole rested,

made long enough to reach the upper and welt edge to be removed, the blade working freely in the space between the said rolls and below their upper edges. The beveled shape of the wheel 6 enables it to enter the space between the welt and upper, and thereby follow the contour of the last about the ball thereof and into the shank. The belt-pulleys herein shown may be rotated, all as provided for in our said patent.

Having described our invention, what we claim, and desire to secure by Letters Patent, 1s

In a machine for trimming off the surplus material of the welt and upper from the bottom of an inner sole; two wheels between which the welt is placed; gearing intermediate the said wheels to rotate both of them positively; and an independent support for the inner sole inside the seam connecting the welt and upper thereto, these parts of the inner edge of the welt and of the upper to be trimmed oif being extended into the space between said wheels and said support; combined with a trimming-blade located and movable in a plane below the plane occupied by the face of the wheel C on which the lower side of the welt rests, a carrier to which the said blade is attached; and means to move the said carrier and blade whereby the latter may travel in said space and cut off the edges of the upper and welt, substantially as described.

In testimony whereof we have signed our names to this specification in the presence of two subscribing witnesses.

ZAOHARY T. FRENCH. WILLIAM C. MEYER. Witnesses:

G120. W. GREGORY, M. J. SHERIDAN.

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